21033323302 has 16 divisors (see below), whose sum is σ = 31626936000. Its totient is φ = 10491033280.

The previous prime is 21033323293. The next prime is 21033323303. The reversal of 21033323302 is 20332333012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21033323303) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2652099 + ... + 2660017.

It is an arithmetic number, because the mean of its divisors is an integer number (1976683500).

Almost surely, 2^21033323302 is an apocalyptic number.

21033323302 is a deficient number, since it is larger than the sum of its proper divisors (10593612698).

21033323302 is a wasteful number, since it uses less digits than its factorization.

21033323302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10991.

The product of its (nonzero) digits is 1944, while the sum is 22.

Adding to 21033323302 its reverse (20332333012), we get a palindrome (41365656314).

The spelling of 21033323302 in words is "twenty-one billion, thirty-three million, three hundred twenty-three thousand, three hundred two".